body {
    background-color: #f3f5f7;

}

/*头部开始*/
header {
    width: 1300px;
    height: 100px;
    /* background-color: pink; */
    margin: 0 auto;
    padding-top: 30px;
}

.logo {
    width: 195px;
    height: 42px;
    /* background-color: purple; */
    float: left;
}

.logo a {
    display: block;
    width: 195px;
    height: 42px;
    background: url(../images/logo.png) no-repeat;
    text-indent: -990px; /*   隐藏链接里面的文字 */
    overflow: hidden; /* 防止无线缩小，露出文字*/
}

nav {
    float: left;
    margin-left: 20px;
}

nav li {
    float: left;
    height: 40px;
    line-height: 40px;
    margin-left: 25px;
}

nav li a {
    display: block;
    height: 40px;
    font-size: 18px;
    padding: 0 10px;
}

nav li a:hover {
    border-bottom: 2px solid #00a4ff;
}

.search {
    width: 410px;
    height: 40px;
    background-color: purple;
    float: left;
    margin-left: 160px;
}

.search input {
    width: 361px;
    height: 40px;
    border: 1px solid #00a4ff;
    outline: none; /*去掉 轮廓线 */
    padding-left: 10px;
    float: left;
}

.search button {
    width: 49px;
    height: 40px;
    border: 0;
    outline: none;
    float: left;
    background: url(../images/fa-search.png) no-repeat;
}

.personal {
    float: right;
    height: 40px;
    line-height: 40px;
}

.personal dt, .personal dd {
    float: left;
}

.personal s {
    position: relative;
    /* padding: 20px; */
    padding: 0 20px;
    text-decoration: none;
}

.personal s::before {
    content: "";
    display: block; /* 因为伪元素默认的是行内元素 ，如果用了定位，会自动将行内元素转化为块级元素*/
    width: 6px;
    height: 6px;
    background-color: red;
    border-radius: 50%;
    position: absolute;
    right: 15px;
    top: 0;
}

.personal span img {
    border-radius: 50%;
    margin-right: 10px;
    transition: all 0.6s;
}

.personal span img:hover {
    transform: rotate(-360deg);
}

/*头部结束*/

/* banner部分开始 */
.banner {
    height: 420px;
    background-color: #1c036c;
}

.inner {
    height: 420px;
    position: relative;
}

.subnav {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 190px;
    background: rgba(0, 0, 0, .3);
    padding-top: 20px;
}

.subnav li {
    padding-left: 20px;
    position: relative;
    height: 40px;
    line-height: 40px;
}

.subnav a {
    font-size: 14px;
    color: #fff;
    display: block;

}

.subnav a:hover {
    color: #00b4ff;
}


.subnav span {
    position: absolute;
    right: 20px;
    top: 0;
}

/*小圆点*/
.circle {
    width: 176px;
    height: 20px;
    /* background-color: #fff; */
    position: absolute;
    left: 50%;
    transform: translate(-50%);
    bottom: 15px;
}

.circle i {
    display: inline-block;
    width: 13px;
    height: 13px;
    background: rgba(255, 255, 255, 0.4);
    margin: 0 5px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.4s;
}

.circle i:hover {
    width: 20px;
    background-color: #fff;
}

/*课程表*/
.timebook {
    width: 228px;
    height: 300px;
    position: absolute;
    right: 0;
    top: 50%;
    /* transform: translate(0, -50%); x轴，y轴 */
    transform: translateY(-50%);
    background-color: #fff;
}

.timebook dt {
    height: 50px;
    background-color: #9bceea;
    font-weight: 700;
    color: #fff;
    line-height: 50px;
    font-size: 18px;
    text-align: center;
}

.timebook dd {
    padding: 15px 20px 0;
}

.timebook dd li {
    height: 60px;
    border-bottom: 1px solid #ccc;
    /* background-color: pink; */
    padding-top: 6px;
}

.timebook dd li:last-child {
    border: 0;
}

.timebook h5 {
    font-size: 16px;
    font-weight: normal;
}

.all {
    height: 40px;
    border: 1px solid #22b0ff;
    color: #22b0ff;
    display: block;
    text-align: center;
    line-height: 40px;
    font-size: 16px;
}

.all:hover {
    background-color: #22b0ff;
    color: #fff;
}

/*精品推荐内容开始*/
.recommend {
    margin-top: 10px;
    background-color: #fff;
    height: 60px;
    line-height: 60px;
    position: relative;
    box-shadow: 0px 1px 12px rgba(0, 0, 0, .4);
}

.rec-l {
    padding-left: 30px;
}

.rec-l strong {
    color: #22b0ff;
    font-size: 14px;
    margin-right: 15px;
}

.rec-l a {
    margin: 0 15px;
    font-size: 14px;
}

.recommend em {
    position: absolute;
    right: 20px;
    bottom: 0;
}

/*精品推荐内容结束*/
/*产品开始*/
.products {
    margin-top: 30px;
}

.pro-hd {
    height: 40px;
    position: relative;
}

.pro-hd h4 {
    font-weight: normal;
    font-size: 18px;
}

.pro-hd a {
    position: absolute;
    top: 0;
    right: 20px;
}

.pro-bd li {
    width: 228px;
    height: 270px;
    overflow: hidden;
    background-color: #fff;
    float: left;
    margin-right: 15px;
    margin-bottom: 15px;
    transition: all 0.4s;
}

.pro-bd li:hover {
    box-shadow: 2px 2px 10px rgba(0, 0, 0, .3);
    transform: translateY(-10px);
}

.pro-bd li:nth-child(5n) {
    margin-right: 0;
}

.pic img {
    transition: all 0.4s;
}

.pic img:hover {
    margin-left: -5px;
}

.pro-title {
    width: 185px;
    margin: 20px auto;
    font-size: 14px;
    color: #050505;
}

.pro-bd p {
    width: 185px;
    margin: 20px auto;
    color: #999;
}

.pro-bd p span {
    color: #ff7c2d;
}

/*产品结束*/
/*底部开始*/
footer {
    height: 420px;
    background-color: #FFF;
    margin-top: 30px;
    padding-top: 30px;
}

.footer-l {
    margin-left: 20px;
    float: left;
}

.footer-l p {
    margin: 25px 0 15px 0;
    line-height: 24px;
}

.footer-l a {
    width: 120px;
    height: 35px;
    display: block;
    border: 1px solid #22b0ff;
    text-align: center;
    line-height: 35px;
    color: #22b0ff;
}

.footer-r {
    float: right;
}

.footer-r dl {
    float: left;
    margin-left: 130px;
}

.footer-r dl dt {
    font-size: 14px;
    color: #333;
    height: 30px;
}

.footer-r dd {
    height: 20px;
}

/*底部结束*/